Ice cream unit for electric refrigerators



Dec. 18, 1934. c. w. BRECHT 1,934,860

ICE CREAM UNIT FOR ELECTRIC REFRIGERATbRS Filed Oct. 2, 1931 2 Sheets-Sheet 1 671411 6) Wfirwki;

INVENTOR ATTORNEY warm-15s Dec. 18, 1934. c. w. BRECHT 1,984,360

ICE CREAM UNIT FOR ELECTRIC REFRIGERATORS Filed Oqt. 2, 1931 2 Sheets-Sheet 2 ATTORN EY LVMI'Zw 75572125,

INVENTOR Patented Dec. 18, 1934 I I 1,984,860

UNITED STATES PATENT OFFICE 10a car-1AM UNIT roa EhlO'l'RIO aarmcsaa'rons Charles W. Brecht, Pittsburgh, Pa. Application October 2, 1931, SerialNo. 566,540 1 Claim. (01. 259-110) This invention relates to freezing units for rethe free ends of which are angularly disposed as frigerators for domestic and similar purposes and shown in Figure 4. The shaft 9 is provided with is especially adaptable for freezing foods orice socketed ends 11 and one of the sockets is of cream and has for the primary object, the provicylindrical formation while the other socket is sion of a device of the above stated character provided with internal angularly disposed faces. 5 which may be conveniently installed in a conven- The cylindrical socket 11 receives a pintle 12 tional type of refrigerator by taking the place of carried by a bracket 13 secured to one of the end the ordinary freezing unit and is so constructed walls of the container. The pintle 12 is provided that the food being frozen may receive agitation with a slot in which operates a pin 14 engaged by to prevent freezing into ice particles and thus an expansion spring 15. A washer 16 is interl0 produce a frozen food of a smooth and non-icy posed between the end of the shaft 9 and the pin consistency. 14. thus-it will be seen that one end of the shaft With this and other objects in view, this inis rotatably and yieldably mounted within the vention consists in certain novel features of con container 5. The other end of the container 5 is struction, combination and arrangement of parts provided with a journal 17 having a stufllng box 15 to be hereinafter more fully described and 18 to rotatably support a shaft 19. One end of claimed. the shaft 19 extends into the container 5 and is For a complete understanding of my invention, provided with a squared end 20 removably rereference is to be had to the following description ceived within the squared socket 11 of the shaft 20 a d a mpa y n drawin s. in which 9, thus it will be'seen that the agitator will be 20 Figure 1 is a fragmentary front elevation illusrotated by the shaft 19 and also that the agitrating a refrigerator with a freezing unit applied tator can be easily and quickly removed from thereto and constructed in accordance with my the container 5 when desired. The container 5 invention.' is closed by a removable cover 21 held against Figure 2 is a sectional view taken on the line accidental displacement by spring catches 22. 25 2-2 of Figure 1. I An electric motor 23 is mounted in the rear Figure 3 is a sectional view taken on the line of the refrigerator 1 and the drive shaft 24 there- 3-3 of Figure 2. of is detachably connected to the shaft 19 by a Figure 4 is a transverse sectional view illuscoupling 25. The coupling 25 comprises disks ,trating the agitator within the food container. 26 and 27 which are secured to the shafts 24 and 30 Figure 5 is a detail sectional view taken on the 19 respectively and have formed upon their opline 5-5 of Figure 3. v posing faces lugs 28 adapted to engage with each Figure 6 is a sectional view taken. on the line other to establish a detachable driving connec- 6+6 of Figure 3. tion between the shafts 24 and 19. It is to be Referring in detail to the drawings, the nuunderstood that the electric motor 23 receives 35 meral' 1 indicates a conventional type of electriits electrical supply in any suitable way and is cally operated refrigerator and 2 indicates the conveniently controlled. freezing unit constructed in accordance with m From the foregoing description it will be seen invention and applied to'the refrigerator. The that by setting the electric motor 16 in opera- 40 unit 2 includes the usual coils 3 surrounding a tion, the food ingredients placed within the con- 40 casing 4 adapted to receive containers 5 and 6. tainer 5 will be thoroughly agitated during their The container 6 is of the usual tray type especially freezing process to prevent the ingredients from designed for freezing water into cubes of ice while becoming icy or containing particles of ice therethe container 5 is designed to receive food inby producing frozen food of a smooth consistgredients to be frozen into ice cream or the like. ency. After the food ingredients have been fro- 45 Each end of the casing 4 is opened'to receive the zen, the container may be easily removed from containers 5 and 6 and the ends of said casing the casing and also the agitator removed thereare closed thereby. The container 6 at the front from, and the container placed within the reend thereof is provided with the usual handle. frigerator for maintaining the frozen food in- The front end of the casing 4 is provided with gredients for a desired length of time. After the 50 r a hinged door '7 for closing that end of the casing container 5 has been removed from the casing occupied by one end of the container 5. 4 other containers or trays not shown may be The container 5 has journalled therein an agi-' substituted in the casing in lieu thereof. tator 8 including a shaft 9 provided'with a plu- While I haveshown and described the prerality of radially extending apertured blades 10, ferred embodiment of my invention, it will be 55 understood that minor changes in construction, combination and arrangement of parts may be made without departing from the spirit and scope of my invention. as claimed.

Having thus described my invention, what I claim is:

The combination with an electric refrigerator having a freezing unit therein, said freezing unit having a compartment therein, of a removable container in said compartment, an agitator element removabiy mounted in said contain r, said agitator element having a shaft thereon, means on one end wail of said container for resiliently and rotatablv supporting one end of said shaft, a shaft carried by the other end wail of the container, said shaft and the agitator shaft being so arranged as to forms; severable driving connection therebetween, a driving motor mounted in the refrigerator independent of said container, said motor having a drive shaft, and means for eiiecting a readily severable driving connection between the motor shaft and the shaft car- 10 ried by the end wall of the container. 7

CHARLES W. BRECHT. 

